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Automate Everything
Performing manual, repetitive tasks enrages me. I used to think this was a corollary of being a programmer, but I’ve come to suspect (or hope) that this behaviour is inherent in being human. But being able to hack together scripts simply makes it much easier to go from a state of rage to a basic solution in a very small amount of time. As a side point, this is one of the reasons that teaching the basics of programming in schools is so important. It’s hard to think of any j...
How Java Application Developers Can Build Secure Internet Based Apps?
There are few compiled solution tested by experts to guide Java application development and maintenance team how they can start safe journey on Internet. Strong encryption, wise passwords, secure hardware are few of the tech tools that should be used by Java app development team to secure their Internet based apps. The Internet is most amazing yet most risky platform where nobody knows either they are doing safe transaction on Internet or there is some dog watching out for data packets t...
JAVA APPLICATION MAINTENANCE,JAVA APPLICATION DEVELOPMENT 2015-09-16 02:13:17
JavaScript as a First Language
At Khan Academy we've been investigating teaching Computer Science to students in some new and interesting ways. The most interesting aspect of which is that we're likely going to be teaching them JavaScript as their first language. We're in a very unique position as we're primarily aiming to teach students who've been through our previous math and science-centric curriculum. Because of this we can create some rather compelling exercises and projects that never would've been feasible other...
JavaScript,Learning,First language,Inheritence,Prototype 2011-12-23 07:53:45
Implement struct no copy in GoLang
There is some case where some of the struct in GoLang which is not meant to be copied. For example, sometimes a global configuration which should have only one version passed around the whole application and should not be copied and modified. In GoLang, there is no intuitive solution on preventing copying of struct. But there is still some way which can be leveraged to help prevent this while developing the code. The trick is to define some struct implementing sync.Locker interface and has this ...
Find the kth smallest number in an array
This is an classical question, the general solution to this question is first using sorting algorithm to sort the array, then get the kth number in the array, the complexity is O(nlogn), we can also use selective sort or head sort to, the complexity of selective sort is O(kn) and heap sort is O(nlogk). The better solution is to use quick sort to find the kth smallest number, the complexity is O(n), the worst case cost is O(n^2). But today we introduce one more solution which has the worst case c...
Sort, Quick sort, Search,Smallest 2013-01-09 06:20:54
Java Development : Overcomes Challenges of Security, Flexibility, and Performance
While launching any web application, a development company faces a challenge that is choosing the programming language for developing it. Though, there are many options available for companies to deliver app solution to businesses, such as .net, C++, Python, PHP, Ruby, and their derivatives; still many believe that java can be a good choice for development of apps. A java development company can make amazing app solutions by leveraging their development team’s skills and expertise. But the...
Java development services 2015-05-20 09:05:50
Comex, the Hacker Behind JailbreakMe.com, Hired as Apple Intern
Comex, the hacker behind JailbreakMe.com, is joining Apple as an intern. JailbreakMe.com made it extremely easy for iOS users to jailbreak their devices simply by visiting a website. He announced the hiring on Twitter: It's been really, really fun, but it's also been a while and I've been getting bored. So, the week after next I will be starting an internship with Apple. Forbes unmasked Comex as Nicholas Allegra, a 19-year old Brown University student from Chappaqua, NY, by Forbes. In that arti...
Apple,Comex,Jailbrealme,Intern,Leak,Hack 2011-08-26 02:35:57
Fix issue docker-credential-desktop not installed or not available in PATH on Mac
Sometimes you may encounter below issue while running docker-compose on MacOS. Traceback (most recent call last): File "docker-compose", line 6, in <module> File "compose/cli/main.py", line 71, in main File "compose/cli/main.py", line 127, in perform_command File "compose/cli/main.py", line 1085, in up File "compose/cli/main.py", line 1081, in up File "compose/project.py", line 527, in up File "compose/service.py", line 354, in ensure_image_exists File "compose/service.py",...
MACOS,DOCKER,DOCKER-COMPOSE 2020-06-23 03:25:16
How To Write A Good Programming Test
I’ve taken and marked a lot of programming tests in the past. I love doing them as it’s always good to see what challenges different programmers have come up with when designing them. Unfortunately, however, most of them aren’t very good. Below is a list of general ideas to help increase the quality of programmer tests. 1. Keep it relevant Too many of the tests have questions on content that simply isn’t relevant to the job. The whole idea behind a programming test i...
Programming test,Interview,Questions,Pro 2011-08-26 02:46:44
Some tricks on PHP session
1. Session timeout problem There is a nuance we found with session timing out although the user is still active in the session. The problem has to do with never modifying the session variable. The GC will clear the session data files based on their last modification time. Thus if you never modify the session, you simply read from it, then the GC will eventually clean up. To prevent this you need to ensure that your session is modified within the GC delete time. You can accomp...
PHP,Session,Timeout,Solution,Various domain 2015-03-13 07:05:37
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